| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2003-2011, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: bdma_mem_sharf.c $ |
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| 11 | * $brcm_Revision: Hydra_Software_Devel/2 $ |
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| 12 | * $brcm_Date: 2/22/11 7:49a $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * |
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| 17 | * Revision History: |
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| 18 | * $brcm_Log: /magnum/portinginterface/dma/7440/bdma_mem_sharf.c $ |
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| 19 | * |
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| 20 | * Hydra_Software_Devel/2 2/22/11 7:49a vanessah |
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| 21 | * SW7550-670: add Sharf DMA support |
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| 22 | * |
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| 23 | * Hydra_Software_Devel/3 12/11/07 10:57a syang |
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| 24 | * PR 34606: update sharf dma according to big rewriting of regular dma |
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| 25 | * code / API |
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| 26 | * |
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| 27 | * Hydra_Software_Devel/2 4/5/07 10:13a syang |
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| 28 | * PR 28171: fixed a typo that causes inf calling loop |
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| 29 | * |
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| 30 | * Hydra_Software_Devel/1 3/19/07 4:26p syang |
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| 31 | * PR 28171: init version |
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| 32 | * |
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| 33 | ***************************************************************************/ |
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| 34 | |
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| 35 | #include "bdma_mem_priv.h" /* */ |
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| 36 | #include "bdma_mem_sharf_priv.h" /* */ |
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| 37 | #include "bkni.h" |
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| 38 | |
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| 39 | |
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| 40 | BDBG_MODULE(BDMA_MEM); |
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| 41 | |
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| 42 | /* Default settings. */ |
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| 43 | static const BDMA_Mem_Settings s_stDefaultMemDmaSettings = |
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| 44 | { |
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| 45 | BDMA_P_NUM_QUEUE_ENTRIES, |
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| 46 | BDMA_P_MAX_NUM_BLOCKS, |
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| 47 | |
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| 48 | /* deafult for the case that only one BDMA instance exists in the system */ |
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| 49 | NULL, NULL, NULL, 0, true |
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| 50 | }; |
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| 51 | |
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| 52 | |
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| 53 | /*************************************************************************** |
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| 54 | * |
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| 55 | */ |
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| 56 | BERR_Code BDMA_Mem_Sharf_Create( |
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| 57 | BDMA_Handle hDma, |
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| 58 | BDMA_Sharf eEngine, |
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| 59 | BDMA_Mem_Settings * pSettings, |
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| 60 | BDMA_Mem_Handle * phMemDma ) |
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| 61 | { |
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| 62 | BERR_Code eResult = BERR_SUCCESS; |
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| 63 | BDMA_P_Context *pDma; |
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| 64 | |
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| 65 | BDMA_P_MAIN_GET_CONTEXT( hDma, pDma ); |
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| 66 | if (NULL == pDma) |
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| 67 | { |
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| 68 | eResult = BERR_TRACE(BERR_INVALID_PARAMETER); |
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| 69 | goto BDMA_Err_Mem_Create; |
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| 70 | } |
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| 71 | |
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| 72 | /* hDma passed the magic check, we trust every thing pointed by it now */ |
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| 73 | eResult = BKNI_AcquireMutex(pDma->hMutex); |
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| 74 | if (BERR_SUCCESS == eResult) |
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| 75 | { |
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| 76 | if (NULL != pSettings) |
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| 77 | eResult = BDMA_P_Mem_Sharf_Create( hDma, eEngine, pSettings, phMemDma ); |
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| 78 | else |
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| 79 | eResult = BDMA_P_Mem_Sharf_Create( hDma, eEngine, &s_stDefaultMemDmaSettings, phMemDma ); |
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| 80 | BKNI_ReleaseMutex(pDma->hMutex); |
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| 81 | } |
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| 82 | |
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| 83 | BDMA_Err_Mem_Create: |
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| 84 | return BERR_TRACE(eResult); |
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| 85 | } |
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| 86 | |
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| 87 | /*************************************************************************** |
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| 88 | * |
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| 89 | */ |
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| 90 | BERR_Code BDMA_Mem_Sharf_Destroy( |
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| 91 | BDMA_Mem_Handle hMemDma ) |
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| 92 | { |
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| 93 | BKNI_MutexHandle hMutex; |
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| 94 | BERR_Code eResult = BERR_SUCCESS; |
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| 95 | |
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| 96 | eResult = BDMA_P_Mem_AcquireMutex( hMemDma, &hMutex ); |
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| 97 | if (BERR_SUCCESS == eResult) |
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| 98 | { |
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| 99 | eResult = BDMA_P_Mem_Sharf_Destroy( hMemDma ); |
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| 100 | BKNI_ReleaseMutex(hMutex); |
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| 101 | } |
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| 102 | |
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| 103 | return BERR_TRACE(eResult); |
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| 104 | } |
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| 105 | |
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| 106 | /*************************************************************************** |
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| 107 | * |
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| 108 | */ |
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| 109 | BERR_Code BDMA_Mem_Sharf_Tran_SetCrypto( |
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| 110 | BDMA_Mem_Tran_Handle hTran, |
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| 111 | BDMA_SharfMode eSharfMode, |
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| 112 | bool bSgEnable, |
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| 113 | bool bUseBspKey, |
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| 114 | bool bCmp8LstByts) |
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| 115 | { |
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| 116 | BERR_Code eResult = BERR_SUCCESS; |
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| 117 | |
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| 118 | BKNI_EnterCriticalSection(); |
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| 119 | eResult = BDMA_P_Mem_Sharf_Tran_SetCrypto_isr( hTran, |
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| 120 | eSharfMode, bSgEnable, bUseBspKey, bCmp8LstByts ); |
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| 121 | BKNI_LeaveCriticalSection(); |
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| 122 | |
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| 123 | return BERR_TRACE(eResult); |
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| 124 | } |
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| 125 | |
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| 126 | /*************************************************************************** |
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| 127 | * |
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| 128 | */ |
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| 129 | BERR_Code BDMA_Mem_Sharf_Tran_SetSgStartEnd( |
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| 130 | BDMA_Mem_Tran_Handle hTran, |
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| 131 | uint32_t ulBlockId, |
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| 132 | bool bStartSgScram, |
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| 133 | bool bEndSgScram, |
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| 134 | bool bKeyPresent, |
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| 135 | bool bDigestPresent ) |
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| 136 | { |
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| 137 | BERR_Code eResult = BERR_SUCCESS; |
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| 138 | |
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| 139 | BKNI_EnterCriticalSection(); |
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| 140 | eResult = BDMA_P_Mem_Sharf_Tran_SetSgStartEnd_isr( hTran, ulBlockId, |
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| 141 | bStartSgScram, bEndSgScram, bKeyPresent, bDigestPresent ); |
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| 142 | BKNI_LeaveCriticalSection(); |
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| 143 | |
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| 144 | return BERR_TRACE(eResult); |
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| 145 | } |
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| 146 | |
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| 147 | /*************************************************************************** |
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| 148 | * |
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| 149 | */ |
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| 150 | BERR_Code BDMA_Mem_Sharf_Tran_SetDmaBlockInfo( |
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| 151 | BDMA_Mem_Tran_Handle hTran, |
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| 152 | uint32_t ulBlockId, |
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| 153 | BDMA_Context eContext, |
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| 154 | uint32_t ulDstBusAddr, |
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| 155 | uint32_t ulSrcBusAddr, |
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| 156 | uint32_t ulBlockSize ) |
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| 157 | { |
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| 158 | BERR_Code eResult = BERR_SUCCESS; |
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| 159 | |
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| 160 | BKNI_EnterCriticalSection(); |
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| 161 | eResult = BDMA_P_Mem_Sharf_Tran_SetDmaBlockInfo_isr( hTran, ulBlockId, |
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| 162 | eContext, ulDstBusAddr, ulSrcBusAddr, ulBlockSize ); |
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| 163 | BKNI_LeaveCriticalSection(); |
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| 164 | |
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| 165 | return BERR_TRACE(eResult); |
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| 166 | } |
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| 167 | |
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| 168 | /*************************************************************************** |
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| 169 | * |
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| 170 | */ |
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| 171 | BERR_Code BDMA_Mem_Sharf_Tran_SetCrypto_isr( |
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| 172 | BDMA_Mem_Tran_Handle hTran, |
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| 173 | BDMA_SharfMode eSharfMode, |
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| 174 | bool bSgEnable, |
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| 175 | bool bUseBspKey, |
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| 176 | bool bCmp8LstByts) |
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| 177 | { |
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| 178 | BERR_Code eResult = BERR_SUCCESS; |
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| 179 | |
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| 180 | eResult = BDMA_P_Mem_Sharf_Tran_SetCrypto_isr( hTran, |
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| 181 | eSharfMode, bSgEnable, bUseBspKey, bCmp8LstByts ); |
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| 182 | |
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| 183 | return BERR_TRACE(eResult); |
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| 184 | } |
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| 185 | |
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| 186 | /*************************************************************************** |
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| 187 | * |
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| 188 | */ |
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| 189 | BERR_Code BDMA_Mem_Sharf_Tran_SetSgStartEnd_isr( |
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| 190 | BDMA_Mem_Tran_Handle hTran, |
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| 191 | uint32_t ulBlockId, |
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| 192 | bool bStartSgScram, |
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| 193 | bool bEndSgScram, |
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| 194 | bool bKeyPresent, |
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| 195 | bool bDigestPresent ) |
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| 196 | { |
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| 197 | BERR_Code eResult = BERR_SUCCESS; |
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| 198 | |
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| 199 | eResult = BDMA_P_Mem_Sharf_Tran_SetSgStartEnd_isr( hTran, ulBlockId, |
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| 200 | bStartSgScram, bEndSgScram, bKeyPresent, bDigestPresent ); |
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| 201 | |
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| 202 | return BERR_TRACE(eResult); |
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| 203 | } |
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| 204 | |
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| 205 | /*************************************************************************** |
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| 206 | * |
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| 207 | */ |
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| 208 | BERR_Code BDMA_Mem_Sharf_Tran_SetDmaBlockInfo_isr( |
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| 209 | BDMA_Mem_Tran_Handle hTran, |
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| 210 | uint32_t ulBlockId, |
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| 211 | BDMA_Context eContext, |
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| 212 | uint32_t ulDstBusAddr, |
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| 213 | uint32_t ulSrcBusAddr, |
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| 214 | uint32_t ulBlockSize ) |
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| 215 | { |
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| 216 | BERR_Code eResult = BERR_SUCCESS; |
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| 217 | |
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| 218 | eResult = BDMA_P_Mem_Sharf_Tran_SetDmaBlockInfo_isr( hTran, ulBlockId, |
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| 219 | eContext, ulDstBusAddr, ulSrcBusAddr, ulBlockSize ); |
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| 220 | |
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| 221 | return BERR_TRACE(eResult); |
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| 222 | } |
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| 223 | |
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| 224 | |
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| 225 | /*************************************************************************** |
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| 226 | * |
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| 227 | */ |
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| 228 | BERR_Code BDMA_Mem_Sharf_Tran_Start( |
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| 229 | BDMA_Mem_Tran_Handle hTran ) |
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| 230 | { |
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| 231 | BERR_Code eResult = BERR_SUCCESS; |
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| 232 | |
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| 233 | BKNI_EnterCriticalSection(); |
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| 234 | eResult = BDMA_P_Mem_Sharf_Tran_Start_isr( |
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| 235 | hTran, hTran->QueueEntry.ulNumTranBlocks, NULL, NULL ); |
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| 236 | BKNI_LeaveCriticalSection(); |
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| 237 | |
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| 238 | return BERR_TRACE(eResult); |
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| 239 | } |
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| 240 | |
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| 241 | |
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| 242 | /* End of File */ |
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